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Symptom
Cause
Image is
Image darkness
too light;
(Auto-Image Density Con-
there is
trol [AIDC]) sensor is dirty.
low image
density
(contin-
ued).
The print
Media may be moist.
contains
light or
Humidity may be too high.
whited out
areas.
The fuser unit may be
ABCDE
defective.
ABCDE
The OPC drum cartridge is
damaged.
ABCDE
ABCDE
The transfer roller unit is
misinstalled.
Horizon-
One or more of the toner
tal white
cartridges is damaged.
lines
The OPC drum cartridge is
appear in
damaged.
image.
The transfer unit is misin-
stalled.
The transfer roller is dam-
aged.
Printouts
The printer is not
seem
on a level enough surface.
faded on
one side.
Solving Problems with Printing Quality
EDNord - Istedgade 37A - 9000 Aalborg - telefon 96333500
Solution
Open the front cover. Lift up the transfer
belt release lever to the 12 o'clock posi-
tion. Next, return the lever to the 3
o'clock position. Repeat this operation
several times. (This cleans the surface
of the image darkness sensor.)
Remove the moist media and replace it
with new, dry media.
Adjust the humidity in the paper storage
area.
Check the fuser unit for damage. If nec-
essary, replace it.
Remove the OPC drum cartridge and
check for damage. If necessary, replace
the entire drum kit.
Reset the transfer roller unit.
Remove the toner cartridge and check
for damage. If necessary, replace it.
Remove the OPC drum cartridge and
check for damage. If necessary, replace
the entire drum kit.
Make sure that the transfer unit was
correctly installed.
Replace the transfer roller.
Level the printer (not exceeding 1.5°
slant at any point around the machine).
75
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